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A narrows or narrow (used interchangeably but usually in the plural form), is a restricted land or water passage. Most commonly a narrows is a
strait A strait is a water body connecting two seas or water basins. The surface water is, for the most part, at the same elevation on both sides and flows through the strait in both directions, even though the topography generally constricts the ...
, though it can also be a
water gap A water gap is a gap that flowing water has carved through a mountain range or mountain ridge and that still carries water today. Such gaps that no longer carry water currents are called wind gaps. Water gaps and wind gaps often offer a pract ...
. A narrows may form where a stream passes through a tilted bed of
hard rock Hard rock or heavy rock is a heavier subgenre of rock music typified by aggressive vocals and Distortion (music), distorted electric guitars. Hard rock began in the mid-1960s with the Garage rock, garage, Psychedelic rock, psychedelic and blues ...
lying between two softer beds: " the hard beds are vertical, so that their
outcrop An outcrop or rocky outcrop is a visible exposure of bedrock or ancient superficial deposits on the surface of the Earth and other terrestrial planets. Features Outcrops do not cover the majority of the Earth's land surface because in most p ...
does not shift as erosion proceeds, a narrows is developed". Like a
dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aqua ...
, this "raises the water level for a short distance upriver". A narrows is also typically a good location for trapping migrating fish. Furthermore, a narrows is "an important topographical feature for wind mixing",Howard J. Freeland, David M. Farmer, Colin D. Levings, ''Fjord Oceanography'' (1980), p. 216. an effect where a
wind chill Wind chill (popularly wind chill factor) is the sensation of cold produced by the wind for a given ambient air temperature on exposed skin as the air motion accelerates the rate of heat transfer from the body to the surrounding atmosphere. Its va ...
may form ice while the surrounding temperature remains above freezing.


See also

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Water gap A water gap is a gap that flowing water has carved through a mountain range or mountain ridge and that still carries water today. Such gaps that no longer carry water currents are called wind gaps. Water gaps and wind gaps often offer a pract ...
*
Buffalo Narrows Buffalo Narrows () is a northern village in Saskatchewan, Canada. It is a community of 1,110 people. Located at the "Narrows" between Peter Pond Lake and Churchill Lake, tourism and resource extraction (logging, fishing) are its main economic ...
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The Narrows The Narrows is the tidal strait separating the boroughs of Staten Island and Brooklyn in New York City. It connects the Upper New York Bay and Lower New York Bay (of larger New York Bay) and forms the principal channel by which the Hudson Ri ...
, which separates
Staten Island Staten Island ( ) is the southernmost of the boroughs of New York City, five boroughs of New York City, coextensive with Richmond County and situated at the southernmost point of New York (state), New York. The borough is separated from the ad ...
from
Brooklyn Brooklyn is a Boroughs of New York City, borough of New York City located at the westernmost end of Long Island in the New York (state), State of New York. Formerly an independent city, the borough is coextensive with Kings County, one of twelv ...
and connects the upper and lower sections of
New York Bay New York Bay is the large tidal body of water in the New York–New Jersey Harbor Estuary where the Hudson River, Raritan River, and Arthur Kill empty into the Atlantic Ocean between Sandy Hook, New Jersey, Sandy Hook and Rockaway Point. Geogr ...
. *
The Narrows The Narrows is the tidal strait separating the boroughs of Staten Island and Brooklyn in New York City. It connects the Upper New York Bay and Lower New York Bay (of larger New York Bay) and forms the principal channel by which the Hudson Ri ...
, which is the narrowest section of
Zion Canyon Zion Canyon (also called Little Zion, Mukuntuweap, Mu-Loon'-Tu-Weap, and Straight Cañon; ''weap'' is Southern Paiute, Paiute for canyon) is a deep and narrow gorge in southwestern Utah, Utah, United States, carved by the North Fork of the Virgin ...
in
Zion National Park Zion National Park is a national park of the United States located in southwestern Utah near the town of Springdale. Located at the junction of the Colorado Plateau, Great Basin, and Mojave Desert regions, the park has a unique geography and a ...
,
Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...
.


References

Fluvial landforms Coastal and oceanic landforms {{Topography-stub